Total vulnerabilities in the database
Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios | 12.3ym | 12.3ym.x |
| cisco / ios | 12.3yq | 12.3yq.x |
| cisco / ios | 12.3xr | 12.3xr.x |
| cisco / ios | 12.4t | 12.4t.x |
| cisco / ios | 12.3bc | 12.3bc.x |
| cisco / ios | 12.2xr | 12.2xr.x |
| cisco / ios | 12.3ya | 12.3ya.x |
| cisco / ios | 12.2cz | 12.2cz.x |
| cisco / ios | 12.4xq | 12.4xq.x |
| cisco / ios | 12.3xs | 12.3xs.x |
| cisco / ios | 12.3xg | 12.3xg.x |
| cisco / ios | 12.4xj | 12.4xj.x |
| cisco / ios | 12.2zp | 12.2zp.x |
| cisco / ios | 12.3bw | 12.3bw.x |
| cisco / ios | 12.3xd | 12.3xd.x |
| cisco / ios | 12.4xl | 12.4xl.x |
| cisco / ios | 12.2bz | 12.2bz.x |
| cisco / ios | 12.4xm | 12.4xm.x |
| cisco / ios | 12.3xw | 12.3xw.x |
| cisco / ios | 12.4mr | 12.4mr.x |
| cisco / ios | 12.2xj | 12.2xj.x |
| cisco / ios | 12.2b | 12.2b.x |
| cisco / ios | 12.4xt | 12.4xt.x |
| cisco / ios | 12.3xi | 12.3xi.x |
| cisco / ios | 12.2yn | 12.2yn.x |
| cisco / ios | 12.3yj | 12.3yj.x |
| cisco / ios | 12.4gc | 12.4gc.x |
| cisco / ios | 12.2yf | 12.2yf.x |
| cisco / ios | 12.4jdd | 12.4jdd.x |
| cisco / ios | 12.3jec | 12.3jec.x |
| cisco / ios | 12.2xl | 12.2xl.x |
| cisco / ios | 12.2ym | 12.2ym.x |
| cisco / ios | 12.2yw | 12.2yw.x |
| cisco / ios | 12.3yu | 12.3yu.x |
| cisco / ios | 12.2yd | 12.2yd.x |
| cisco / ios | 12.3xj | 12.3xj.x |
| cisco / ios | 12.3t | 12.3t.x |
| cisco / ios | 12.2yb | 12.2yb.x |
| cisco / ios | 12.3 | 12.3.x |
| cisco / ios | 12.2zh | 12.2zh.x |
| cisco / ios | 12.2yv | 12.2yv.x |
| cisco / ios | 12.2xw | 12.2xw.x |
| cisco / ios | 12.4xf | 12.4xf.x |
| cisco / ios | 12.2t | 12.2t.x |
| cisco / ios | 12.2zc | 12.2zc.x |
| cisco / ios | 12.3xz | 12.3xz.x |
| cisco / ios | 12.2yt | 12.2yt.x |
| cisco / ios | 12.4jx | 12.4jx.x |
| cisco / ios | 12.4xg | 12.4xg.x |
| cisco / ios | 12.4ya | 12.4ya.x |
| cisco / ios | 12.2yl | 12.2yl.x |
| cisco / ios | 12.4jmb | 12.4jmb.x |
| cisco / ios | 12.4xv | 12.4xv.x |
| cisco / ios | 12.3yd | 12.3yd.x |
| cisco / ios | 12.4xw | 12.4xw.x |
| cisco / ios | 12.2zb | 12.2zb.x |
| cisco / ios | 12.2yg | 12.2yg.x |
| cisco / ios | 12.4xz | 12.4xz.x |
| cisco / ios | 12.3xf | 12.3xf.x |
| cisco / ios | 12.3xl | 12.3xl.x |
| cisco / ios | 12.2yr | 12.2yr.x |
| cisco / ios | 12.3yk | 12.3yk.x |
| cisco / ios | 12.3yf | 12.3yf.x |
| cisco / ios | 12.4xd | 12.4xd.x |
| cisco / ios | 12.4xp | 12.4xp.x |
| cisco / ios | 12.4yd | 12.4yd.x |
| cisco / ios | 12.4jda | 12.4jda.x |
| cisco / ios | 12.2xm | 12.2xm.x |
| cisco / ios | 12.3yt | 12.3yt.x |
| cisco / ios | 12.2xk | 12.2xk.x |
| cisco / ios | 12.3xb | 12.3xb.x |
| cisco / ios | 12.2zj | 12.2zj.x |
| cisco / ios | 12.4mda | 12.4mda.x |
| cisco / ios | 12.3yz | 12.3yz.x |
| cisco / ios | 12.4xk | 12.4xk.x |
| cisco / ios | 12.3jl | 12.3jl.x |
| cisco / ios | 12.3yg | 12.3yg.x |
| cisco / ios | 12.3xu | 12.3xu.x |
| cisco / ios | 12.2zd | 12.2zd.x |
| cisco / ios | 12.3jed | 12.3jed.x |
| cisco / ios | 12.3xy | 12.3xy.x |
| cisco / ios | 12.2cy | 12.2cy.x |
| cisco / ios | 12.4yg | 12.4yg.x |
| cisco / ios | 12.3xc | 12.3xc.x |
| cisco / ios | 12.4jk | 12.4jk.x |
| cisco / ios | 12.4 | 12.4.x |
| cisco / ios | 12.2tpc | 12.2tpc.x |
| cisco / ios | 12.4jl | 12.4jl.x |
| cisco / ios | 12.2bc | 12.2bc.x |
| cisco / ios | 12.3xe | 12.3xe.x |
| cisco / ios | 12.4sw | 12.4sw.x |
| cisco / ios | 12.3jea | 12.3jea.x |
| cisco / ios | 12.2ze | 12.2ze.x |
| cisco / ios | 12.3tpc | 12.3tpc.x |
| cisco / ios | 12.3ja | 12.3ja.x |
| cisco / ios | 12.2yp | 12.2yp.x |
| cisco / ios | 12.4xa | 12.4xa.x |
| cisco / ios | 12.2yy | 12.2yy.x |
| cisco / ios | 12.3za | 12.3za.x |
| cisco / ios | 12.4xn | 12.4xn.x |
| cisco / ios | 12.2yu | 12.2yu.x |
| cisco / ios | 12.4xe | 12.4xe.x |
| cisco / ios | 12.3yx | 12.3yx.x |
| cisco / ios | 12.2bx | 12.2bx.x |
| cisco / ios | 12.3xq | 12.3xq.x |
| cisco / ios | 12.2cx | 12.2cx.x |
| cisco / ios | 12.2zl | 12.2zl.x |
| cisco / ios | 12.4md | 12.4md.x |
| cisco / ios | 12.4jdc | 12.4jdc.x |
| cisco / ios | 12.2yq | 12.2yq.x |
| cisco / ios | 12.3ys | 12.3ys.x |
| cisco / ios | 12.3jk | 12.3jk.x |
| cisco / ios | 12.2zf | 12.2zf.x |
| cisco / ios | 12.3b | 12.3b.x |
| cisco / ios | 12.4yb | 12.4yb.x |
| cisco / ios | 12.3jeb | 12.3jeb.x |
| cisco / ios | 12.3yh | 12.3yh.x |
| cisco / ios | 12.2ya | 12.2ya.x |
| cisco / ios | 12.4xb | 12.4xb.x |
| cisco / ios | 12.4ja | 12.4ja.x |
| cisco / ios | 12.2zg | 12.2zg.x |
| cisco / ios | 12.3xx | 12.3xx.x |
| cisco / ios | 12.4xy | 12.4xy.x |
| cisco / ios | 12.4xr | 12.4xr.x |
| cisco / ios | 12.4xc | 12.4xc.x |
| cisco / ios | 12.3xa | 12.3xa.x |
| cisco / ios | 12.3yi | 12.3yi.x |
| cisco / ios | 12.4ye | 12.4ye.x |
| cisco / ios | 12.3xk | 12.3xk.x |
| cisco / ios | 12.2yj | 12.2yj.x |
| cisco / ios | 12.2jx | 12.2jx.x |
| cisco / ios | 12.2mc | 12.2mc.x |
| cisco / ios | 12.3jx | 12.3jx.x |
| cisco / ios | 12.2by | 12.2by.x |
| cisco / ios | 12.2yh | 12.2yh.x |
| cisco / ios | 12.4jma | 12.4jma.x |